Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Hydrogen | $276,549 | $352,532 | $295,359 | $336,311 | $1,230,355 | $683,390 | $411,168 |
Argon | $3,338,854 | $2,197,070 | $1,938,872 | $3,049,010 | $2,171,580 | $1,989,817 | $2,233,934 |
Rare gases other than argon | $871,112 | $1,287,900 | $1,356,370 | $2,041,520 | $1,303,511 | $2,037,967 | $2,863,381 |
Nitrogen | $1,909,009 | $3,067,172 | $3,920,961 | $5,042,180 | $4,737,769 | $3,720,883 | $4,596,820 |
Oxygen | $3,284,711 | $3,572,644 | $5,213,253 | $6,879,591 | $4,947,460 | $5,406,080 | $7,513,333 |
Boron; tellurium | $1,407 | $1,910 | | | | $86 | |
Silicon, cont. by wt. not <99.99% of silicon | | | $68,885 | | $249,187 | $521,199 | $896,431 |
Silicon, cont. by wt. <99.99% of silicon | $10,578,941 | $9,079,053 | $12,603,621 | $23,861,310 | $12,300,778 | $18,050,281 | $25,411,996 |
Phosphorus | $13,052 | | $6,529 | | $208,970 | $4,727 | $2,687 |
Arsenic | $19,604 | $96,966 | $203,208 | $178,405 | $58,801 | $309,357 | $337,765 |
Selenium | | | | | $62,878 | $133 | $64 |
Total | $20,293,239 | $19,655,247 | $25,607,058 | $41,388,327 | $27,271,289 | $32,723,920 | $44,267,579 |
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